For my Fused Location Provider API video tutorial on YouTube

MainActivity.kt

import android.Manifest
import android.annotation.SuppressLint
import android.location.Geocoder
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import com.example.testapp.databinding.FragmentFirstBinding
import com.google.android.gms.location.FusedLocationProviderClient
import com.google.android.gms.location.LocationServices
import com.vmadalin.easypermissions.EasyPermissions
import com.vmadalin.easypermissions.dialogs.SettingsDialog

class FirstFragment : Fragment(), EasyPermissions.PermissionCallbacks {

    companion object {
        const val PERMISSION_LOCATION_REQUEST_CODE = 1
    }

    private var _binding: FragmentFirstBinding? = null
    private val binding get() = _binding!!

    private lateinit var fusedLocationProviderClient: FusedLocationProviderClient

    @SuppressLint("MissingPermission")
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        // Inflate the layout for this fragment
        _binding = FragmentFirstBinding.inflate(inflater, container, false)

        fusedLocationProviderClient =
            LocationServices.getFusedLocationProviderClient(requireContext())

        binding.button.setOnClickListener {
            if (hasLocationPermission()) {
                fusedLocationProviderClient.lastLocation.addOnSuccessListener { location ->
                    val geoCoder = Geocoder(requireContext())
                    val currentLocation = geoCoder.getFromLocation(
                        location.latitude,
                        location.longitude,
                        1
                    )
                    Log.d("FirstFragment", currentLocation.first().countryCode)
                    Log.d("FirstFragment", currentLocation.first().subLocality)
                }
            } else {
                requestLocationPermission()
            }
        }

        return binding.root
    }

    private fun hasLocationPermission() =
        EasyPermissions.hasPermissions(
            requireContext(),
            Manifest.permission.ACCESS_FINE_LOCATION
        )

    private fun requestLocationPermission() {
        EasyPermissions.requestPermissions(
            this,
            "This application cannot work without Location Permission.",
            PERMISSION_LOCATION_REQUEST_CODE,
            Manifest.permission.ACCESS_FINE_LOCATION
        )
    }

    override fun onRequestPermissionsResult(
        requestCode: Int,
        permissions: Array<out String>,
        grantResults: IntArray
    ) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
        EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this)
    }

    override fun onPermissionsDenied(requestCode: Int, perms: List<String>) {
        if (EasyPermissions.somePermissionPermanentlyDenied(this, perms.first())) {
            SettingsDialog.Builder(requireActivity()).build().show()
        } else {
            requestLocationPermission()
        }
    }

    override fun onPermissionsGranted(requestCode: Int, perms: List<String>) {
        Toast.makeText(
            requireContext(),
            "Permission Granted!",
            Toast.LENGTH_SHORT
        ).show()
    }

    override fun onDestroyView() {
        super.onDestroyView()
        _binding = null
    }

}